Add Jenkinsfile

Jenkinsfile

@@ -0,0 +1,102 @@
+def IMAGE_TAG = ""
+pipeline {
+    agent {
+        kubernetes {
+            yaml """
+apiVersion: v1
+kind: Pod
+metadata:
+  name: kaniko
+spec:
+  containers:
+  - name: kaniko
+    image: gcr.io/kaniko-project/executor:debug
+    imagePullPolicy: Always
+    command:
+    - /busybox/cat
+    tty: true
+    volumeMounts:
+      - name: jenkins-docker-cfg
+        mountPath: /kaniko/.docker
+  volumes:
+  - name: jenkins-docker-cfg
+    projected:
+      sources:
+      - secret:
+          name: docker-credentials
+          items:
+            - key: data
+              path: config.json
+"""
+        }
+    }
+    environment {
+        IMAGE_PUSH_DESTINATION="ghcr.io/ruakij/routingtabletowg"
+    }
+    stages {
+        stage("Pre-build") {
+            steps {
+
+                script{
+                    //checkout scm
+                    checkout([
+                        $class: 'GitSCM',
+                        branches: scm.branches,
+                        doGenerateSubmoduleConfigurations: scm.doGenerateSubmoduleConfigurations,
+                        extensions: scm.extensions + [[$class: 'CloneOption', noTags: false, reference: '', shallow: true]],
+                        submoduleCfg: [],
+                        userRemoteConfigs: scm.userRemoteConfigs
+                    ])
+
+                    def version = sh (returnStdout: true, script: "git describe --tags --long --always $GIT_COMMIT").trim()
+                    def gitCommit = sh (returnStdout: true, script: "git rev-parse --short $GIT_COMMIT").trim()
+                    echo "Version: $version"
+                    echo "Git Commit: $gitCommit"
+
+                    IMAGE_TAG = "--destination $IMAGE_PUSH_DESTINATION:$gitCommit "
+                    
+                    if (GIT_BRANCH == "main") {
+                        IMAGE_TAG += "--destination $IMAGE_PUSH_DESTINATION:latest "
+
+                        if(version != gitCommit){
+                            def parts = version.split('.')
+                            if(parts.size() > 0){
+                                for (int i = 0; i < parts.size(); i++) {
+                                    def versionTag = parts[0..i].join(".")
+                                    IMAGE_TAG += "--destination $IMAGE_PUSH_DESTINATION:$versionTag "
+                                }
+                            }
+                        }
+                    } else {
+                        IMAGE_TAG += "--destination $IMAGE_PUSH_DESTINATION:$GIT_BRANCH "
+
+                        if(version != gitCommit){
+                            def parts = version.split('.')
+                            if(parts.size() > 0){
+                                for (int i = 0; i < parts.size(); i++) {
+                                    def versionTag = parts[0..i].join(".")
+                                    IMAGE_TAG += "--destination $IMAGE_PUSH_DESTINATION:$GIT_BRANCH-$versionTag "
+                                }
+                            }
+                        }
+                    }
+                    
+                    echo "Image-Tags: $IMAGE_TAG"
+                }
+            }
+        }
+        
+        stage('Build with Kaniko') {
+            steps {
+                container(name: 'kaniko', shell: '/busybox/sh') {
+                    withEnv(['PATH+EXTRA=/busybox', "IMAGE_TAG=$IMAGE_TAG"]) {
+                        // Use the image tag variable as part of the image name when you build and push the image with kaniko
+                        sh '''#!/busybox/sh
+                            /kaniko/executor --context `pwd` --force $IMAGE_TAG
+                        '''
+                    }
+                }
+            }
+        }
+    }
+}